10121122139 has 2 divisors, whose sum is σ = 10121122140. Its totient is φ = 10121122138.

The previous prime is 10121122129. The next prime is 10121122181. The reversal of 10121122139 is 93122112101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10121122139 - 2⁸ = 10121121883 is a prime.

It is a super-2 number, since 2×10121122139² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10121122129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5060561069 + 5060561070.

It is an arithmetic number, because the mean of its divisors is an integer number (5060561070).

Almost surely, 2^10121122139 is an apocalyptic number.

10121122139 is a deficient number, since it is larger than the sum of its proper divisors (1).

10121122139 is an equidigital number, since it uses as much as digits as its factorization.

10121122139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 23.

The spelling of 10121122139 in words is "ten billion, one hundred twenty-one million, one hundred twenty-two thousand, one hundred thirty-nine".